Injen 07-09 Altima 4 Cylinder 2.5L w/ Heat Shield (Automatic Only) Polished Short Ram Intake Els PW 7604 High-Flow 304 Stainless Steel Polished

High-Flow 304 Stainless Steel Polished Mufflers: This system features high-flow 304 stainless steel polished mufflers

This boosted version comes preassembled with a user adjustable boost referencing regulator and a internally mounted high output fuel pump

Fuelab High Efficiency Series 235mm Fuel Surge Tank System - 850 HP SAE Plate Mount Pump

This design also reduces intake whistle that occurs with other helix-only designs

Injen 07-09 Altima 4 Cylinder 2.5L w/ Heat Shield (Automatic Only) Polished Short Ram Intake Els PW 7604 High-Flow 304 Stainless Steel PolishedIs your engine choking for air and in need of some additional horsepower? If so, Injen has exciting news for you! The SP series of cold air intakes from Injen Technology will allow your engine to breathe deeper and enhance the performance that you? ve been craving. The SP series of cold air intakes is Injen? s flagship system in their lines of traditional aluminum cold air intake systems. Injen Technology is the world? s first tuned air intake system